(3 multiple choice chemistry questions) will give 1. you measure a tall tree to be 227 meters tall, how many millimeters is this? a. 227 mm b. 0.227 mm c. 227000 mm d. 2270 2. write 266,000 kg in scientific notation. a. 0.266 x 10^5 b. 0.266 x 10^-5 c. 2.66 x 10^5 d. 2.66 x 10^-5 3. write 0.000266 kg in scientific notation. a. 0.266 x 10^4 b. 0.266 x 10^-4 c. 2.66 x 10^-4 d. 2.66 x 10^4

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false

What is dhmo? hint: you find it everywhere something is wet..